FOLDABLE TYRE FOLDING METHOD AND USE

摘要

The invention relates to a foldable tyre for a two wheeled motor vehicle comprising a casing ply (6) optionally an inextensible bracing ply and a tread (2) said ply (6) consisting of at least one layer of reinforcing elements said tread (2) being connected to two bead fillers (4) by means of two sidewalls (3) said bead fillers (4) comprising at least one bead (5) defining a camber line forming a closed curve that is substantially circular in a circumferential plane. The bead (5) of each bead filler (4) is flexible and comprises at least one concave part P the smallest radius of which is R and the centre of curvature C. The bead comprises at least one non reinforced metal cable having a carbon content of between 0.5 and 0.9%. The invention also relates to a folding method and to a use of the tyre.